Has anyone had relief from "knee catching" after synvisc shots?

I have severe lateral osteoarthritis in both knees. Recently developed a clicking noise and occasional catching in left knee. I DO NOT have much pain (dumbfound all the doctors with this) and keep very physically active. Received a cortisone shot 2 days ago (see if it would help with the catching) BUT it has changed it from an occasional problem to a constant problem. UGH!